Model error diagnosis

Upstage: Solar Pro 3 | model capability unsupported

Upstage: Solar Pro 3 returning 400 / model capability unsupported means you should first confirm whether model ID upstage/solar-pro-3 is visible for this Upstage key, then separate permission, context, capability, rate limit, or route issues.

Model

upstage/solar-pro-3

Upstage: Solar Pro 3

Provider

Upstage

1 models in catalog

Error type

model capability unsupported

capability-unsupported

Status code

400

global model route

Model error summary

Model

upstage/solar-pro-3

Error type

capability-unsupported

Status code

400

Read-only check. Detection data burns after 5 minutes.

What this model error usually means

Upstage: Solar Pro 3 returning 400 / model capability unsupported means you should first confirm whether model ID upstage/solar-pro-3 is visible for this Upstage key, then separate permission, context, capability, rate limit, or route issues.

Model: upstage/solar-pro-3
Provider: Upstage
Status code: 400

How to prove it during checking

Read-only check. Detection data burns after 5 minutes.

List models: confirm whether upstage/solar-pro-3 is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether Upstage returns the same 400, then record the error body.
Compare model facts: context 128,000, input $0.150, output $0.600.
supports include_reasoning
supports max_tokens
supports reasoning
supports response_format

Next action

Upstage: Solar Pro 3 model capability unsupported should not end at failed. Return the next move: change model ID, add permission, reduce context, disable unsupported capability, change route, monitor, or hold listing.

Context: 128,000
Price: $0.150 / $0.600
Read-only check. Detection data burns after 5 minutes.

Open key check

Read-only check. Detection data burns after 5 minutes.